You know those x-ray body scanners that not only expose you to radiation but reveal your nakedness to security agents? That unsettling experience will be a thing of the past at many major airports, because the Transportation Security Administration (TSA) has been quietly removing them, according to this report.

Over the past few weeks, backscatter x-ray scanners from airports in Boston, Los Angeles, Chicago, Orlando and New York’s JFK, have been replaced with safer millimeter wave scanners.